{"id":5477,"date":"2022-05-31T11:07:47","date_gmt":"2022-05-31T03:07:47","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=5477"},"modified":"2022-05-31T11:07:51","modified_gmt":"2022-05-31T03:07:51","slug":"%e9%80%9a%e4%bf%a1%e4%b8%93%e7%bd%91%e6%b3%a2%e5%88%86%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%8e%b0%e5%9c%ba%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"http:\/\/www.comtest.com.cn\/?p=5477","title":{"rendered":"\u901a\u4fe1\u4e13\u7f51\u6ce2\u5206\u7cfb\u7edf\u7684\u73b0\u573a\u6d4b\u8bd5"},"content":{"rendered":"<p>\u672c\u6587\u520a\u4e8e\u300a\u4e2d\u56fd\u4ea4\u901a\u5efa\u8bbe\u76d1\u7406\u534f\u4f1a\u5b9e\u9a8c\u68c0\u6d4b\u5de5\u4f5c\u59d4\u5458\u4f1a\u4f1a\u520a\u300b2022\u5e74\u7b2c2\u671f<\/p><p>\u6458 \u8981\uff1a\u672c\u6587\u4ece\u5149\u8c31\u4eea\u7684\u5e94\u7528\u89d2\u5ea6\u5206\u6790\u4e86\u901a\u4fe1\u4e13\u7f51\u7684\u6ce2\u5206\u7cfb\u7edf\u7684\u73b0\u573a\u6d4b\u8bd5\u9700\u6c42\uff0c\u5e76\u8ba8\u8bba\u4e86\u5bf9\u4e8e\u4e13\u7f51\u7684\u6ce2\u5206\u7cfb\u7edf\u7684\u5efa\u8bbe\uff0c\u9a8c\u6536\u7b49\u73af\u8282\u4e2d\u5149\u8c31\u4eea\u7684\u4e3b\u8981\u529f\u80fd\u53ca\u4f5c\u7528\uff0c\u7740\u91cd\u8ba8\u8bba\u7684\u5728\u7f51\u7edc\u7684\u73b0\u573a\u6d4b\u8bd5\u573a\u666f\u4e0b\u7684\u9700\u8981\u5ba2\u6237\u5173\u6ce8\u7684\u5149\u8c31\u4eea\u7684\u6280\u672f\u7279\u70b9\u53ca\u6838\u5fc3\u529f\u80fd\u3002<\/p><p>\u5173\u952e\u8bcd\uff1a\u6ce2\u5206\u7cfb\u7edf\uff1b\u7cfb\u7edf\u6d4b\u8bd5\uff1bDWDM\uff1bOSNR \uff1b\u5149\u8c31\u4eea\uff1b\u73b0\u573a\u6d4b\u8bd5\uff1b\u81ea\u52a8\u5316\u6d4b\u8bd5\uff1b\u81ea\u52a8\u6821\u51c6<\/p><h1 class=\"wp-block-heading\">1 \u5f15\u8a00<\/h1><p>\u968f\u7740\u6ce2\u5206\u7cfb\u7edf\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u7279\u522b\u662f\u4e00\u4e9b\u4e13\u7f51\u4e5f\u5f00\u59cb\u5927\u89c4\u6a21\u7684\u4f7f\u7528\u6ce2\u5206\u7cfb\u7edf\uff0c\u7531\u4e8e\u6ce2\u5206\u7cfb\u7edf\u7684\u590d\u6742\u6027\u53ca\u6307\u6807\u7684\u4e25\u683c\u8981\u6c42\uff0c\u5ba2\u6237\u8981\u6c42\u6d4b\u8bd5\u8bbe\u5907\u5236\u9020\u5546\u8bbe\u8ba1\u51fa\u73b0\u573a\u548c\u5b9e\u9a8c\u5ba4\u73af\u5883\u4e0b\u6027\u80fd\u540c\u6837\u4f18\u5f02\u7684\u6d4b\u8bd5\u4eea\u5668\u3002\u5728\u4fdd\u8bc1\u9ad8\u6027\u80fd\u7684\u57fa\u7840\u4e0a\uff0c\u73b0\u573a\u6d4b\u8bd5\u4eea\u5668\u8fd8\u8981\u6613\u4e8e\u64cd\u4f5c\uff0c\u5373\u4fbf\u662f\u7f51\u7edc\u7ba1\u7406\u8005\u6ca1\u6709\u65f6\u95f4\u5c1d\u8bd5\u548c\u638c\u63e1\u65b0\u6280\u672f\u4e5f\u6ca1\u95ee\u9898\u3002\u4fbf\u643a\u5f0f\u5149\u8c31\u5206\u6790\u4eea\u53ca\u8272\u6563\u5206\u6790\u4eea\u80fd\u591f\u6d4b\u91cfDWDM \u7cfb\u7edf\u5927\u90e8\u5206\u53c2\u6570\uff0c\u7528\u4e8e\u5b89\u88c5\u3001\u8c03\u8bd5\u3001\u9a8c\u6536\uff0c\u7ef4\u62a4\u548c\u6545\u969c\u5b9a\u4f4d\uff0c\u4e5f\u53ef\u4ee5\u6301\u7eed\u76d1\u89c6DWDM \u4fe1\u53f7\u7684\u5173\u952e\u53c2\u6570\u4ee5\u68c0\u6d4b\u7cfb\u7edf\u7a33\u5b9a\u6027\uff0c\u73b0\u573a\u7684\u6d4b\u8bd5\u4eea\u8868\u6210\u4e3a\u4fdd\u8bc1DWDM \u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u7684\u5fc5\u5907\u5de5\u5177\u3002<\/p><p>\u5e38\u89c4\u7684\u6ce2\u5206\u7cfb\u7edf\u7ed3\u6784\u5982\u4e0b\u56fe1 \u6240\u793a\uff0c\u6709\u4e3b\u8bbe\u5907\u7684\u53d1\u9001\u7aef\u3001\u63a5\u6536\u7aef\uff0c\u5408\u6ce2\u5668\u3001\u5206\u6ce2\u5668\uff0c\u63ba\u94d2\u5149\u7ea4\u653e\u5927\u5668EDFA \u548c\u5149\u5206\u63d2\u590d\u7528\u5668OADM\u8fd9\u4e9b\u7ec4\u4ef6\u7ec4\u6210\u3002\u8fd9\u4e9b\u7ec4\u4ef6\u90fd\u53ef\u4ee5\u7528\u5149\u8c31\u5206\u6790\u4eea\u8fdb\u884c\u6d4b\u8bd5\uff0c\u751a\u81f3\u53ea\u80fd\u7528\u5149\u8c31\u4eea\u8fdb\u884c\u6d4b\u8bd5\uff0c\u56e0\u6b64\u5728\u6ce2\u5206\u7cfb\u7edf\u7684\u5f00\u901a\u9a8c\u6536\u548c\u7ef4\u62a4\u73af\u8282\uff0c\u5149\u8c31\u4eea\u662f\u975e\u5e38\u91cd\u8981\u7684\u6d4b\u8bd5\u4eea\u8868\u3002<\/p><figure class=\"wp-block-image size-full is-style-default\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/05\/dwdm_01.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"623\" height=\"185\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/05\/dwdm_01.jpg\" alt=\"\" class=\"wp-image-5478\" srcset=\"http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_01.jpg 623w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_01-300x89.jpg 300w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_01-600x178.jpg 600w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_01-64x19.jpg 64w\" sizes=\"(max-width: 623px) 100vw, 623px\" \/><\/a><figcaption>\u56fe1 \u5178\u578b\u7684\u6ce2\u5206\u7cfb\u7edf\u6846\u56fe<\/figcaption><\/figure><p>\u5728\u8bbe\u5907\u5de5\u7a0b\u8bbe\u8ba1\u4ee5\u53ca\u68c0\u9a8c\u548c\u9a8c\u6536\u73af\u8282\uff0c\u6b64\u65f6\u9488\u5bf9\u7684\u662f\u5b9e\u9645\u7684\u7f51\u7edc\u8bbe\u5907\uff0c\u7279\u522b\u662f\u73b0\u7f51\u7684\u73b0\u573a\u6d4b\u8bd5\u53ca\u9a8c\u6536\uff0c\u56e0\u6b64\u90e8\u5206\u53c2\u6570\u7684\u6d4b\u91cf\u548c\u76d1\u63a7\u53d7\u8bbe\u5907\u662f\u5426\u63d0\u4f9b\u76f8\u5e94\u6d4b\u8bd5\u70b9\u7684\u5f71\u54cd\uff0c\u53ef\u64cd\u4f5c\u6027\u53d7\u5230\u4e00\u5b9a\u9650\u5236\uff0c\u6b64\u65f6\u5173\u6ce8\u7684\u91cd\u70b9\u5728\u4e8e\u786e\u8ba4\u7f51\u7edc\u7cfb\u7edf\u7aef\u5230\u7aef\u6700\u7ec8\u6027\u80fd\u6307\u6807\u662f\u5426\u7b26\u5408\u8bbe\u8ba1\u8981\u6c42\uff0c\u5fc5\u987b\u628a\u7f51\u7edc\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u6765\u505a\u6d4b\u8bd5\u9a8c\u6536\uff0c\u5e76\u4e0d\u662f\u6d4b\u8bd5\u67d0\u4e00\u6bb5\u5149\u7f06\u90a3\u4e48\u7b80\u5355\u3002<\/p><h1 class=\"wp-block-heading\">2 \u6d4b\u8bd5\u9700\u6c42<\/h1><p>ITU-T G.697\u300aDWDM \u7cfb\u7edf\u7684\u5149\u76d1\u6d4b\u300b\u89c4\u8303\u4e86\u5149\u5c42\u6027\u80fd\u76d1\u6d4b\u65b9\u6cd5\u3001\u53c2\u6570\u53ca\u7cbe\u5ea6\u7b49\u8981\u6c42\u3002 G.697 \u6807\u51c62012 \u5e74 2 \u6708\u7684\u7248\u672c\u4e3b\u8981\u89c4\u8303\u4e86\u57fa\u4e8e NRZ\/RZ \u7801\u578b\u768410G \u53ca\u4ee5\u4e0b\u901f\u7387\u7684\u5f3a\u5ea6\u8c03\u5236\u4fe1\u53f7\uff0c\u4ee5\u53ca\u57fa\u4e8e\u5148\u8fdb\u8c03\u5236\u683c\u5f0f\u5982 DP-QPSK\uff0c\u76f8\u4f4d\u8c03\u5236\u4fe1\u53f7 40G \u548c 100G \u7684DWDM\u7cfb\u7edf\u5149\u6027\u80fd\u76d1\u6d4b\u7684\u76f8\u5173\u5185\u5bb9\u3002\u4e3b\u8981\u5305\u62ec\u5149\u76d1\u6d4b\u65b9\u6cd5\u7684\u5206\u7c7b\u3001\u5149\u5c42\u4fe1\u53f7\u635f\u4f24\u5bf9\u4e8e\u4fe1\u53f7\u6027\u80fd\u7684\u5f71\u54cd\u53ca\u5176\u53d1\u751f\u53ef\u80fd\u6027\u3001\u5149\u76d1\u6d4b\u53c2\u6570\u5206\u7c7b\u3001\u5149\u5c42\u635f\u4f24\u4e0e\u76d1\u6d4b\u53c2\u6570\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\u3001\u5149\u5c42\u76d1\u6d4b\u529f\u80fd\u7684\u5e94\u7528\u4ee5\u53ca\u5149\u5c42\u5b89\u5168\u8003\u8651\u7b49\uff0c\u5176\u4e2d\u5149\u5c42\u76d1\u6d4b\u53c2\u6570\u4e3b\u8981\u5f15\u5165\u4e86\u603b\u529f\u7387\u3001\u5355\u901a\u8def\u529f\u7387\u3001\u5355\u901a\u8def\u5149\u4fe1\u566a\u6bd4OSNR\u3001 \u5355\u901a\u8def\u4e2d\u5fc3\u6ce2\u957f\uff08\u9891\u7387\uff09\u7b49\u63d0\u51fa\u66f4\u52a0\u89c4\u8303\u8981\u6c42\u3002<\/p><p>\u5149\u8c31\u5206\u6790\u4eea\u4e3b\u8981\u7528\u4e8e\u5bf9\u6ce2\u5206\u590d\u7528\uff08WDM\uff09\u7cfb\u7edf\u4e2d\u7684\u5149\u5668\u4ef6\u5982\u5408\u6ce2\u5668\u3001\u5206\u6ce2\u5668\u3001\u5149\u653e\u7b49\u5668\u4ef6\u7684\u5149\u53c2\u6570\u8fdb\u884c\u6d4b\u91cf\u548c\u5206\u6790, \u80fd\u591f\u663e\u793a\u5404\u6ce2\u56fe\u5f62\u5e76\u5177\u6709\u81ea\u52a8\u6821\u51c6\u529f\u80fd\u3002\u4e3b\u8981\u6d4b\u91cf\u548c\u5206\u6790\u7684\u5149\u53c2\u6570\u6709\uff1a\u6ce2\u957f\u53c2\u6570\uff1a\u901a\u9053\u6570\u3001\u4e2d\u5fc3\u6ce2\u957f\u3001\u534a\u503c\u6ce2\u957f\u3001\u5e73\u5747\u6ce2\u957f\u3001-20dB\u5e26\u5bbd\u3001\u622a\u6b62\u5e26\u5bbd\u7b49\u53c2\u6570\u3002\u529f\u7387\u53c2\u6570\uff1a\u5cf0\u503c\u529f\u7387\u3001\u603b\u529f\u7387\u3001\u4fe1\u566a\u6bd4\u3001\u8fb9\u6a21\u62df\u5236\u6bd4\u3001\u589e\u76ca\u5e73\u5766\u5ea6\u7b49\u53c2\u6570\u3002<\/p><p>\u5149\u8c31\u5206\u6790\u4eea\u80fd\u5c06\u5149\u6ce2\u4fe1\u53f7\u6309\u5176\u5404\u7ec4\u6210\u90e8\u5206\u7684\u6ce2\u957f\u5206\u89e3\uff0c\u8fd9\u610f\u5473\u7740\u5728\u4e00\u5b9a\u6ce2\u957f\u8303\u56f4\u5185\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230\u5149\u8c31\u8f6e\u5ed3\u3002\u5149\u8c31\u8f6e\u5ed3\u4ee5\u56fe\u5f62\u65b9\u5f0f\u663e\u793a\uff0c\u6a2a\u8f74\u4e3a\u6ce2\u957f\uff0c\u7eb5\u8f74\u4e3a\u5bf9\u5e94\u529f\u7387\uff0c\u5982\u56fe2 \u6240\u793a\u3002\u7528\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5355\u6839\u5149\u7ea4\u4e0a\u7684DWDM\u6210\u5206\u4fe1\u53f7\u5206\u5f00\uff0c\u8fdb\u884c\u5355\u4e2a\u901a\u9053\u7684\u5206\u6790\uff0c\u4e5f\u53ef\u4ee5\u5206\u6790\u5404\u901a\u9053\u7684\u8c31\u95f4\u5e72\u6270\u3002<\/p><figure class=\"wp-block-image size-full is-style-default\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/05\/dwdm_02.jpg\"><img decoding=\"async\" width=\"608\" height=\"388\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/05\/dwdm_02.jpg\" alt=\"\" class=\"wp-image-5479\" srcset=\"http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_02.jpg 608w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_02-300x191.jpg 300w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_02-600x383.jpg 600w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_02-64x41.jpg 64w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/><\/a><figcaption>\u56fe2 \u5178\u578b\u7684\u5149\u8c31\u5206\u6790\u4eea\u66f2\u7ebf<\/figcaption><\/figure><h1 class=\"wp-block-heading\">3 \u5149\u8c31\u5206\u6790\u4eea\u7684\u5173\u952e\u6307\u6807<\/h1><p>\u7cfb\u7edf\u5236\u9020\u5546\u548c\u96c6\u6210\u5546\u4e5f\u662f\u6307\u6807\u7684\u53ef\u9760\u6765\u6e90\uff0c\u4ed6\u4eec\u4e5f\u53d1\u5c55\u4e86\u4e00\u4e9b\u7ecf\u9a8c\u6027\u7684\u89c4\u8303\uff0c\u4ee5\u4f7f\u5176\u7cfb\u7edf\u4e0d\u4ec5\u6ee1\u8db3\u5f53\u4eca\u901a\u4fe1\u4e1a\u52a1\u7684\u8981\u6c42\uff0c\u8fd8\u8981\u6ee1\u8db3\u7c7b\u4f3cDWDM\u7b49\u53ef\u5347\u7ea7\u6280\u672f\u7684\u672a\u6765\u8981\u6c42\u3002<\/p><h2 class=\"wp-block-heading\">3.1 \u5149\u6291\u5236\u6bd4<\/h2><p>\u5149\u6291\u5236\u6bd4\uff08ORR\uff09\u662f\u5149\u8c31\u5206\u6790\u4eea\u6700\u91cd\u8981\u7684\u6307\u6807\u4e4b\u4e00\uff0c\u5b9a\u4e49\u4e3a\u5149\u8c31\u5206\u6790\u4eea\u5728\u8ddd\u79bb\u8f7d\u6ce2\u5cf0\u503c\u67d0\u4e00\u7ed9\u5b9a\u8ddd\u79bb\u4f4d\u7f6e\u4e0a\u53ef\u4ee5\u6d4b\u91cf\u5230\u7684\u6700\u5927\u5149\u566a\u58f0\u6bd4\uff0c\u5982\u56fe\u4e09\u6240\u793a\u3002<\/p><figure class=\"wp-block-image size-full is-style-default\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/05\/dwdm_03.jpg\"><img decoding=\"async\" width=\"399\" height=\"256\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/05\/dwdm_03.jpg\" alt=\"\" class=\"wp-image-5480\" srcset=\"http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_03.jpg 399w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_03-300x192.jpg 300w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_03-64x41.jpg 64w\" sizes=\"(max-width: 399px) 100vw, 399px\" \/><\/a><figcaption>\u56fe3 ORR\u6d4b\u8bd5\u793a\u610f\u56fe<\/figcaption><\/figure><p>\u5149\u8c31\u5206\u6790\u4eea\u7684\u4f7f\u7528\u8005\u6700\u5173\u5fc3\u7684\u662f\u5f97\u5230\u771f\u5b9e\u5149\u8c31\u8f6e\u5ed3\u7684\u6e05\u6670\u56fe\u50cf\uff0c\u5982\u679c\u5149\u8c31\u5206\u6790\u4eea\u7684ORR \u5c0f\u4e8e\u5f85\u6d4b\u7cfb\u7edf\u7684\u5149\u4fe1\u566a\u6bd4\uff08OSNR\uff09\uff0c\u7528\u6237\u5f97\u5230\u7684\u662f\u6240\u7528\u4eea\u5668\u7684ORR \u53d7\u9650\u66f2\u7ebf\uff0c\u800c\u975e\u771f\u5b9e\u7684\u5149\u4fe1\u53f7\u884c\u4e3a\u3002\u663e\u7136\uff0c\u4fe1\u9053\u6570\u7684\u589e\u52a0\u548c\u4fe1\u9053\u95f4\u95f4\u8ddd\u7684\u51cf\u5c0f\u662f\u66f4\u9ad8\u7684\u5149\u6291\u5236\u6bd4\uff08ORR\uff09\u548c\u529f\u7387\u6d4b\u91cf\u6307\u6807\u6539\u8fdb\u7684\u9a71\u52a8\u529b\uff0c\u4f46\u53e6\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\u662f\u6bcf\u4e2a\u901a\u9053\u4e0a\u7684\u65f6\u5206\u590d\u7528\u6bd4\u7279\u7387\u3002\u4eca\u5929\u7684DWDM\u7cfb\u7edf\u8bbe\u8ba1\u6240\u9075\u4ece\u7684\u5efa\u8bae\u662f\u57fa\u4e8eSTM-16\/OC-48\uff082.5Gbps\uff09\uff0c\u4f46\u968f\u7740STM-64\/OC-192\uff0810Gbps\uff09\u7684\u903c\u8fd1\u5c06\u4f1a\u4fc3\u8fdb\u6d4b\u91cf\u66f4\u9ad8OSNR \u503c\u7684\u9700\u6c42\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u901f\u7387\u7684\u589e\u52a0\u8981\u6c42OSNR\u7684\u6d4b\u91cf\u80fd\u529b\u63d0\u9ad84\uff5e5dB\u3002<\/p><p>\u4e3a\u4e86\u6ee1\u8db3\u76ee\u524d\u9700\u8981\u5e76\u4e3a\u5c06\u6765\u5347\u7ea7\u4f5c\u597d\u51c6\u5907\u7684\u7cfb\u7edf\u3002\u7cfb\u7edf\u9a8c\u6536\u91c7\u7528\u4e86\u66f4\u4e3a\u4e25\u683c\u7684\u52a8\u6001\u8303\u56f4\u548cORR\u6807\u51c6\uff0c\u8fd9\u4e9b\u6307\u6807\u662fDWDM\u7cfb\u7edf\u5728\u5b89\u88c5\u548c\u9a8c\u6536\u65f6\u5fc5\u987b\u68c0\u6d4b\u7684\u3002\u8fd9\u6837\uff0c\u4ed6\u4eec\u5c31\u53ef\u4ee5\u9884\u6d4b\u5b89\u88c5\u7684\u6027\u80fd\u3002\u6839\u636e\u4e0d\u540c\u7684\u60c5\u51b5\uff0c\u7cfb\u7edf\u96c6\u6210\u5546\u4e00\u822c\u9700\u8981\u68c0\u6d4b\u7684OSNR\u8303\u56f4\u572821dB \uff5e35dB \u4e4b\u95f4\u3002<\/p><h2 class=\"wp-block-heading\">3.2 \u5149\u8c31\u4eea\u6ce2\u957f\u8303\u56f4<\/h2><p>\u5149\u8c31\u5206\u6790\u4eea\u6ce2\u957f\u8303\u56f4\u662f\u6307\u5176\u5206\u6790\u5149\u8c31\u4e2d\u67d0\u4e00\u5b9a\u4e49\u90e8\u5206\u7684\u4fe1\u53f7\u7684\u80fd\u529b\uff0c \u4ee5\u7eb3\u7c73\u4e3a\u5355\u4f4d\uff08 \u5982400nm\uff09\uff0c \u7528\u8d77\u59cb\u6ce2\u957f\u548c\u7ec8\u6b62\u6ce2\u957f\u6765\u8868\u793a\uff08 \u59821250nm\uff5e1650nm\uff09\u3002\u65e9\u671f\u7684\u73b0\u573a\u7528\u5149\u8c31\u5206\u6790\u4eea\u4e13\u6ce8\u4e8eC \u5e26\uff0c\u53731530nm\uff5e1565nm \u6ce2\u6bb5\uff0c\u7b26\u5408ITU-TG.692 \u5efa\u8bae\u3002\u8bb8\u591a\u5df2\u6577\u8bbe\u7684WDM\u7cfb\u7edf\u90fd\u662f\u8bbe\u8ba1\u5728C \u5e26\u4f20\u9001\u591a\u4e2a\u901a\u9053\u4fe1\u53f7\u7684\uff0c\u56e0\u4e3a\u5b83\u6b63\u662f\u63ba\u94d2\u5149\u7ea4\u653e\u5927\u5668\uff08EDFA\uff09\u7684\u6709\u6548\u5de5\u4f5c\u6ce2\u957f\u8303\u56f4\u3002\u7531\u4e8eC \u5e26\u5bf9\u4e8e\u652f\u6301\u9ad8\u901a\u9053\u6570\u7684\u7cfb\u7edf\u5df2\u663e\u5f97\u8fc7\u7a84\uff0c\u6240\u4ee5\u4f7f\u7528\u9ad8\u4e8e1565nm \u6ce2\u957f\u7684L \u5e26\uff0c\u4f7f\u7cfb\u7edf\u7684\u8f7d\u8fd0\u901a\u9053\u6570\u589e\u52a0\u81f3160 \u4e2a\u4ee5\u4e0a\u3002<\/p><figure class=\"wp-block-image size-full is-style-default\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/05\/dwdm_04.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"857\" height=\"446\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/05\/dwdm_04.jpg\" alt=\"\" class=\"wp-image-5481\" srcset=\"http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_04.jpg 857w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_04-300x156.jpg 300w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_04-768x400.jpg 768w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_04-600x312.jpg 600w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2022\/05\/dwdm_04-64x33.jpg 64w\" sizes=\"(max-width: 857px) 100vw, 857px\" \/><\/a><figcaption>\u56fe4 CWDM\u6ce2\u957f\u6d4b\u8bd5\u56fe<\/figcaption><\/figure><h2 class=\"wp-block-heading\">3.3 \u73b0\u573a\u6d4b\u8bd5\u7684\u4fbf\u643a\u5f0f\u548c\u575a\u56fa\u6027<\/h2><p>\u9488\u5bf9\u4e0e\u5982\u9ad8\u901f\u516c\u8def\u7b49\u4e13\u7f51\u7684\u6d4b\u8bd5\u9a8c\u6536\u53ca\u7ef4\u62a4\uff0c\u968f\u4e4b\u800c\u6765\u7684\u662f\u5bf9\u9002\u5b9c\u4e8e\u6237\u5916\u73af\u5883\u6d4b\u8bd5\u7684\u9ad8\u6027\u80fd\u4eea\u5668\u7684\u9700\u6c42\u3002\u5149\u8c31\u5206\u6790\u4eea\u4f5c\u4e3aDWDM\u7f51\u7edc\u6577\u8bbe\u548c\u7ef4\u62a4\u5de5\u4f5c\u6700\u57fa\u672c\u7684\u6d4b\u8bd5\u4eea\u5668\uff0c\u88ab\u5e94\u7528\u4e8e\u5404\u79cd\u573a\u5408\u2014\u7f51\u7edc\u7684\u4e0d\u540c\u8282\u70b9\u53ca\u4e0e\u5b9e\u9a8c\u5ba4\u73af\u5883\u76f8\u53bb\u751a\u8fdc\u7684\u6781\u7aef\u73af\u5883\u3002\u5927\u591a\u6570\u9ad8\u6027\u80fd\u5149\u8c31\u5206\u6790\u4eea\u90fd\u662f\u4e3a\u79d1\u5b66\u7814\u7a76\u8bbe\u8ba1\u7684\u53f0\u5f0f\u4eea\u5668\uff0c\u662f\u7528\u4e8e\u53ef\u63a7\u73af\u5883\u5e76\u7531\u6709\u7ecf\u9a8c\u7684\u4eba\u4f7f\u7528\u7684\u7cbe\u5bc6\u4eea\u5668\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5927\u591a\u6570\u91ce\u5916\u4fbf\u643a\u5f0f\u5149\u8c31\u5206\u6790\u4eea\u90fd\u662f\u524a\u51cf\u4e86\u67d0\u4e9b\u5149\u5b66\u6027\u80fd\uff0c\u4ee5\u63d0\u4f9b\u5b9e\u7528\u7684\u6d4b\u8bd5\u65b9\u6848\u3002\u4f17\u591a\u7684\u5149\u5b66\u5143\u4ef6\u548c\u5fae\u7c73\u91cf\u7ea7\u7684\u7cbe\u5bc6\u673a\u68b0\u662f\u5149\u8c31\u5206\u6790\u4eea\u7684\u6838\u5fc3\uff0c\u8fd9\u4e9b\u5143\u4ef6\u4e4b\u95f4\u88c5\u914d\u7684\u4efb\u4f55\u504f\u79bb\u90fd\u5c06\u4f1a\u76f4\u63a5\u5bfc\u81f4\u4eea\u5668\u5149\u5b66\u6307\u6807\u7684\u4e0b\u964d\u3002\u4fbf\u643a\u5f0f\u5149\u8c31\u5206\u6790\u4eea\u63d0\u4f9b\u7535\u6c60\u4f9b\u7535\uff0c\u4ee5\u9002\u7528\u4e8e\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u5feb\u901f\u3001\u4fbf\u6377\u6d4b\u8bd5\u3002\u53e6\u5916\uff0c\u91ce\u5916\u6d4b\u8bd5\u4eea\u5668\u8fd8\u6709\u4e25\u8c28\u7684\u7ed3\u6784\uff0c\u8fd8\u9700\u8981\u901a\u8fc7BellCore\uff08TelCordia\uff09\u8dcc\u843d\u5b9e\u9a8c\uff0c\u800c\u4e0d\u964d\u4f4e\u5b83\u7684\u6307\u6807\u3002\u5e76\u4e14\u73b0\u573a\u6d4b\u8bd5\u7528\u7684\u5149\u8c31\u4eea\u4e2d\u8fd8\u5185\u7f6e\u4e86\u72ec\u7acb\u7684\u5149\u6e90\u7cfb\u7edf\uff0c\u4eea\u8868\u786c\u4ef6\u652f\u6301\u81ea\u52a8\u7684\u5b9e\u65f6\u505a\u6ce2\u957f\u7684\u6821\u51c6\u5de5\u4f5c\uff0c\u4e0d\u9700\u624b\u5de5\u8bbe\u7f6e\uff0c\u4fdd\u8bc1\u7684\u5149\u8c31\u4eea\u53ef\u4ee5\u957f\u65f6\u95f4\u7684\u73b0\u573a\u7a33\u5b9a\u6d4b\u8bd5\u3002<\/p><h2 class=\"wp-block-heading\">3.4 \u6a21\u5757\u5316\u8bbe\u8ba1<\/h2><p>DWDM\u7cfb\u7edf\u6d4b\u8bd5\u548c\u6545\u969c\u5b9a\u4f4d\u4ec5\u9760\u5149\u8c31\u5206\u6790\u4eea\u8fd8\u4e0d\u591f\uff0c\u8fd8\u5fc5\u987b\u6d4b\u8bd5\u5149\u7ea4\u7684\u603b\u8de8\u5ea6\u635f\u8017\u3001\u56de\u6ce2\u635f\u8017\uff08ORL\uff09\u548c\u504f\u632f\u6a21\u8272\u6563\u7b49\u3002\u5728\u8981\u6c42\u66f4\u9ad8\u7684\u6ce2\u957f\u51c6\u786e\u5ea6\u6d4b\u91cf\u65f6\uff0c\u8fd8\u9700\u8981\u5bbd\u5e26\u5149\u6e90\u4e0e\u5149\u8c31\u5206\u6790\u4eea\u53ca\u8272\u6563\u5206\u6790\u4eea\u914d\u5408\u4f7f\u7528\u3002\u56e0\u6b64\uff0c\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5149\u8c31\u5206\u6790\u4eea\u548c\u8272\u6563\u5206\u6790\u4eea\u5e94\u8be5\u6210\u4e3a\u7531\u4e00\u4e2a\u901a\u7528\u6d4b\u8bd5\u5e73\u53f0\u7ba1\u7406\u7684\u7cfb\u5217\u5316\u6a21\u5757\u7684\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206\u3002<\/p><h2 class=\"wp-block-heading\">3.5 \u73b0\u573a\u81ea\u52a8\u5316\u6d4b\u8bd5\u8f6f\u4ef6<\/h2><p>\u4f20\u7edf\u5149\u8c31\u5206\u6790\u4eea\u7ee7\u627f\u4e86\u5b9e\u9a8c\u5ba4\u73af\u5883\u4e0b\u7684\u590d\u6742\u8f6f\u4ef6\u3002\u800c\u73b0\u573a\u6d4b\u8bd5\u7528\u5149\u8c31\u5206\u6790\u4eea\u81ea\u52a8\u5316\u8f6f\u4ef6\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u52a0\u7b80\u6d01\u7684\u7528\u6237\u754c\u9762\uff0c\u5305\u62ec\u81ea\u52a8\u6d4b\u8bd5\u548c\u7b80\u5316\u7684\u6b65\u9aa4\u5316\u6d4b\u8bd5\u3002\u8fd9\u4f7f\u6240\u6709\u64cd\u4f5c\u8005\uff0c\u4e0d\u8bba\u662f\u65b0\u624b\u8fd8\u662fDWDM\u4e13\u5bb6\uff0c\u90fd\u80fd\u5f97\u5230\u60f3\u8981\u7684\u4fe1\u606f\u3002\u53ea\u9700\u6309\u4e0b\u4e00\u4e2a\u6309\u952e\uff0c\u4eea\u8868\u5c31\u53ef\u505a\u81ea\u52a8\u5316\u7684\u6d4b\u8bd5\uff0c\u5e76\u5c06\u6d4b\u8bd5\u7ed3\u679c\u76f4\u89c2\u8f93\u51fa\u5230\u81ea\u52a8\u5316\u6d4b\u8bd5\u8f6f\u4ef6\u4e2d\uff0c\u5e76\u53ef\u4ee5\u540c\u65f6\u81ea\u52a8\u751f\u6210\u7cfb\u7edf\u6d4b\u8bd5\u62a5\u544a\u3002<\/p><h1 class=\"wp-block-heading\">4 \u7ed3\u8bba<\/h1><p>\u968f\u7740\u7f51\u7edc\u7684\u5e26\u5bbd\u7684\u98de\u901f\u53d1\u5c55\uff0c\u6240\u6709\u4e13\u7f51\u4e5f\u5728\u5411\u5168\u5149\u7ea4\u7f51\u7edc\u6f14\u8fdb\uff0cDWDM\u6ce2\u5206\u7cfb\u7edf\u7684\u5927\u89c4\u6a21\u4f7f\u7528\uff0c\u5bf9\u529f\u80fd\u5f3a\u5927\u7684\u4fbf\u643a\u5f0f\u5149\u8c31\u5206\u6790\u4eea\u7684\u9700\u6c42\u5341\u5206\u8feb\u5207\u3002\u5149\u8c31\u5206\u6790\u4eea\u6210\u4e3a\u5149\u7f51\u7edc\u8bbe\u5907\u5f00\u901a\u9a8c\u6536\u548c\u7ef4\u62a4\u65f6\u7684\u5fc5\u5907\u4eea\u8868\u3002\u6ce8\u610f\u6839\u636e\u7f51\u7edc\u7684\u6d4b\u8bd5\u9700\u6c42\uff0c\u9009\u62e9\u9002\u5408\u73b0\u573a\u6d4b\u8bd5\uff0c\u4e14\u5177\u6709\u81ea\u52a8\u5316\u6d4b\u8bd5\u529f\u80fd\u7684\u4eea\u8868\uff0c\u4f1a\u4f7f\u4e13\u7f51\u7f51\u7edc\u7684\u6d4b\u8bd5\u9a8c\u6536\u53ca\u7ef4\u62a4\u505a\u5230\u79d1\u5b66\u4e25\u8c28\u4e14\u4e8b\u534a\u529f\u500d\u3002<\/p><h1 class=\"wp-block-heading\">\u53c2\u8003\u6587\u732e<\/h1><p>[1] \u00a0\u516c\u8def\u5de5\u7a0b\u8d28\u91cf\u68c0\u9a8c\u8bc4\u5b9a\u6807\u51c6 \u7b2c\u4e8c\u518c \u673a\u7535\u5de5\u7a0b\uff08JTG 2182-2020\uff09.<br>[2] \u00a0YDT 1143-2001 \u5149\u6ce2\u5206\u590d\u7528\u7cfb\u7edf \uff08WDM\uff09\u6280\u672f\u8981\u6c42-16\u00d710Gb-s\u300132\u00d710Gb-s\u90e8\u5206.<br>[3] \u00a0VIAVI 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